Meiosis vs Mitosis

Mitosis and meiosis are two processes by which eukaryotic cells may divide and share several similarities:

  • They are both preceded by interphase (which includes DNA replication)
  • They both divide according to a common pathway (prophase  metaphase  anaphase  telophase)
  • They both split their cells via cytokinesis

However there are certain key differences which distinguish the two processes:

  • Division – Mitosis involves only one cell division, but meiosis requires two cell divisions
  • Independent assortment – Homologous pairs are randomly separated into separate cells in meiosis, but not mitosis
  • Synapsis – Homologous pairs form bivalents in meiosis, but not mitosis
  • Crossing over – Non-sister chromatids of homologous pairs may exchange genetic material in meiosis, but not mitosis
  • Outcome – Mitosis results in the formation of two daughter cells, while meiosis produces four daughter cells
  • Ploidy – Daughter cells produced by mitosis are diploid, while daughter cells produced by meiosis are haploid
  • Use – Mitosis is used to clone body cells, while meiosis is used to generate sex cells (gametes)
  • Genetics – Cells produced by mitosis are genetically identical (clones), while cells produced by meiosis are genetically distinct

Mnemonic:  Disco Pug

Mitosis versus Meiosis

mitosis vs meiosis

Comparison of Meiotic and Mitotic Processes